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On Wed, Sep 08, 2004 at 02:07:30PM +0200, Christoph Pleger wrote: > Hello, > > Since a few days I have great NFS problems on six Linux machines. The > execution of "ps aux" shows that processes are hanging for they are > waiting for the completion of uninterruptable NFS I/O and the system > utilization becomes very high. > > The hangs occurred since the installation of Kernel 2.4.27 (used 2.4.26 > before), so I guess that Kernel 2.4.27 introduces the problems with NFS. > I am not sure about that, but since I reinstalled the old 2.4.26-Kernel > on one of the six computers, that machine works fine. > > Has someone else experienced NFS hangs under 2.4.27 so far? I have seen this only with the preempt patch applied and enabled. But since the kernel also had lots of other patches applied, I cannot tell that it is only NFS+preemt alone. It deadlocked on a spinlock() in nfs_sync_page() IIRC. But no problem so far with preempt disabled. Regards, Willy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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